Answer:
x = 19.71
Step-by-step explanation:
Here, we want to find x and round off to the nearest hundredth.
We start by opening the bracket;
0.45x + 0.72 + 5x = 18
Collect like terms
0.95x = 18 + 0.72
0.95x = 18.72
x = 18.72/0.95
x = 19.705263157895 which is 19.71 to the nearest hundredth